Home / 15,951.04-23,928.75-5,418.23

Finding the Fourth Proportional to 15,951.04, 23,928.75 and 5,418.23

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Solution

The fourth proportional to 15,951.04, 23,928.75 and 5,418.23 is: 8,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.04 : 23,928.75 = 5,418.23 : x
  2. Step 2: Convert to fraction form
    15,951.04/23,928.75 = 5,418.23/x
  3. Step 3: Cross multiply
    15,951.04x = 23,928.75 × 5,418.23
  4. Step 4: Simplify right side
    15,951.04x = 129,651,530.93
  5. Step 5: Solve for x
    x = 129,651,530.93/15,951.04
  6. Step 6: Final answer
    x = 8,128.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.